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This trial evaluated the influence of polishing on enamel color change after in-office bleaching treatment. It also evaluated the influence of polishing on tooth morphology and sensitivity.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| GROUP GSEM | Other | In-office whitening treatment with 35% Hydrogen Peroxide |
|
| GROUP GP | Experimental | In-office whitening treatment with 35% Hydrogen Peroxide + Polishing of whitened teeth |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Hydrogen Peroxide 35% | Other | Group that received only bleaching treatment. Soft tissue protection was performed with a Top Dam light-curing gingival barrier (FGM, Santa Catarina, SC, Brazil). Application of whitening gel (Whitness HP 35%/FGM) on the buccal surface from premolar to premolar in the upper and lower arches. Three 45-minute sessions were held with an interval of seven days between them. |
| Measure | Description | Time Frame |
|---|---|---|
| Influence of polishing on color after tooth whitening | Color evaluation was performed with the EasyshadeAdvanced spectrophotometer (Vita-Zahnfabrik, GE, Germany) | 14 days |
| Measure | Description | Time Frame |
|---|---|---|
| Surface morphology of whitening enamel with and without polishing | The images were obtained using a electron microscope (Mira3 model) with type electron gun, mounted on supports of aluminum with 12mm of diameter, using tape double adhesive carbon face, and metallic with Au for 2'30'' which deposits about the sample a film thick average of 10 to 15nm. The images were generated by detecting secondary electrons, using a voltage acceleration of 5 kV and a working distance of around 15 mm. |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Cecy Martins Silva | Belém | Pará | 66075-110 | Brazil |
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| ID | Term |
|---|---|
| D014075 | Tooth Discoloration |
| D003807 | Dentin Sensitivity |
| ID | Term |
|---|---|
| D014076 | Tooth Diseases |
| D009057 | Stomatognathic Diseases |
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| ID | Term |
|---|---|
| D006861 | Hydrogen Peroxide |
| ID | Term |
|---|---|
| D010545 | Peroxides |
| D010087 | Oxides |
| D000838 | Anions |
| D007477 | Ions |
| D004573 |
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|
| Hydrogen Peroxide 35% + Polishing whitened teeth | Other | Group that received only bleaching treatment followed by polishing. Soft tissue protection was performed with a Top Dam light-curing gingival barrier (FGM, Santa Catarina, SC, Brazil). Application of whitening gel (Whitness HP 35%/FGM) on the buccal surface from premolar to premolar in the upper and lower arches. Three 45-minute sessions were held with an interval of seven days between them. After bleaching, the vestibular surfaces were polished for 20s on each bleached tooth, with polishing paste and felt disc (Diamond Flex, FGM, Santa Catarina, SC, Brazil) in low rotation. |
|
| 14 days |
| Influence of polishing on sensitivity after tooth whitening | assessment of sensitivity during treatment using a visual analogue scale with values from 0 to 10, with higher values indicating a worse level of pain. | 14 days |
| Electrolytes |
| D007287 | Inorganic Chemicals |
| D017382 | Reactive Oxygen Species |
| D005609 | Free Radicals |
| D017601 | Oxygen Compounds |
| D009930 | Organic Chemicals |